CN211315415U - Connecting device for new and old pipelines - Google Patents

Connecting device for new and old pipelines Download PDF

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Publication number
CN211315415U
CN211315415U CN202020024204.XU CN202020024204U CN211315415U CN 211315415 U CN211315415 U CN 211315415U CN 202020024204 U CN202020024204 U CN 202020024204U CN 211315415 U CN211315415 U CN 211315415U
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China
Prior art keywords
sleeve
sealing
pipeline
pipe
extrusion
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Application number
CN202020024204.XU
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Chinese (zh)
Inventor
刘骞
魏延玲
路维福
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Qingdao Huade Meter Manufactured And Engineering Co ltd
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Qingdao Huade Meter Manufactured And Engineering Co ltd
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Abstract

The utility model discloses a new and old pipeline connecting device relates to pipeline construction technical field. The device comprises a first pipeline, a second pipeline, an inner sealing sleeve and an outer sleeve extrusion pipe, wherein the outer sleeve extrusion pipe comprises a first extrusion pipe and a second extrusion pipe; the inner sealing sleeve is arranged in the outer sleeve extrusion pipe, the connecting plate is square and is provided with a plurality of waist-shaped holes, and fastening bolts for connecting the first extrusion pipe and the second extrusion pipe are inserted in the waist-shaped holes; the inner sealing sleeve comprises a first sealing section, a hose section and a second sealing section which are integrally manufactured, the first pipeline and the second pipeline are respectively positioned in the first sealing section and the second sealing section, and a squeezing assembly is arranged between the inner sealing sleeve and the outer sleeve squeezing pipe. The utility model discloses can have two pipelines of skew to the mouth of pipe to connect, and have simple to operate, sealed effectual advantage.

Description

Connecting device for new and old pipelines
Technical Field
The utility model belongs to the technical field of the pipeline construction technique and specifically relates to a new and old pipe connection device is related to.
Background
After the rain sewage pipeline is used for a long time, the leakage, the damage and the like of partial pipelines can occur, so that some old pipelines need to be replaced, and the new pipelines and the old pipelines are connected through the connecting device.
Chinese utility model patent No. CN209100831U discloses a pipe connection device, which comprises an outer jacket extruded tube, wherein the outer jacket extruded tube comprises two sleeve pressing pieces; the inner sealing sleeve is arranged in the outer sleeve extrusion pipe; the two sealing pieces are respectively positioned at two ends of the inner sealing sleeve, and the sealing pieces are positioned between the inner sealing sleeve and the sleeve pressing piece; the first pipe body sequentially penetrates through one sleeving and pressing piece and the sealing piece and extends into the inner sealing sleeve, the second pipe body sequentially penetrates through the other sleeving and pressing piece and the sealing piece and extends into the inner sealing sleeve, and a preset distance exists between the first pipe body and the second pipe body; the pipeline connecting pipe device also comprises a first connecting plate, and the first connecting plate is used for connecting the two sleeve pressing parts; the pipe connecting pipe device further comprises two groups of second connecting plates, one group of second connecting plates are used for connecting one sleeving and pressing piece with the first pipe body, and the other group of second connecting plates are also used for connecting the other sleeving and pressing piece with the second pipe body.
The prior art solutions in the above patents have the following drawbacks: in some practical installation situations, the pipe orifices of the new and old pipelines can not be aligned due to various problems such as terrains, and some deviation occurs.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a new and old pipeline connecting device, it can have two pipelines of skew to the mouth of pipe to connect, and has simple to operate, sealed effectual advantage.
The above object of the present invention can be achieved by the following technical solutions:
a new and old pipeline connecting device comprises a first pipeline and a second pipeline which have the same outer diameter, an inner sealing sleeve and an outer sleeve extrusion pipe, wherein the outer sleeve extrusion pipe comprises a first extrusion pipe and a second extrusion pipe which are completely the same; the inner sealing sleeve is arranged in the outer sleeve extrusion pipe, the first pipeline and the second pipeline respectively extend into two ends of the inner sealing sleeve, the connecting plate is square, a plurality of waist-shaped holes are formed in two ends of the connecting plate along the edge direction, and fastening bolts for connecting the first extrusion pipe and the second extrusion pipe are inserted into the waist-shaped holes; the inner sealing sleeve comprises a first sealing section, a hose section and a second sealing section which are integrally manufactured, the first pipeline and the second pipeline are respectively positioned in the first sealing section and the second sealing section, and a squeezing assembly for squeezing the inner sealing sleeve, the first pipeline and the second pipeline is further arranged between the inner sealing sleeve and the outer sleeve squeezing pipe.
By adopting the technical scheme, because the inner sealing sleeve is provided with the hose section, the first pipeline and the second pipeline which are positioned at the first sealing section and the second sealing section of the inner sealing sleeve are allowed to have radial deviation within a certain range; and according to the deviation degree of the first pipeline and the second pipeline, the two first extruded pipes and the second extruded pipes are correspondingly connected in a deviation manner, and during connection, the positions of the waist-shaped holes corresponding to the two connecting plates are adjusted and connected through bolts. The inner sealing sleeve connects the two mutually-deviated first pipelines and the two mutually-deviated second pipelines, the outer sleeve extrusion pipe fixes the two mutually-deviated first pipelines and the two mutually-deviated second pipelines, the tight extrusion assembly realizes the sealing connection of the inner sealing sleeve to the first pipelines and the second pipelines, and therefore the connecting device can connect the two pipelines with the deviation in the pipe orifice and has the advantages of convenience in installation and good sealing effect.
The present invention may be further configured in a preferred embodiment as: the tight subassembly of crowded includes the metal bellows that cup joints with inner seal sleeve pipe, locates the screw thread at bellows both ends and respectively with two extrusion barrels at bellows both ends threaded connection, the inner wall of extrusion barrel suits with inner seal sleeve pipe and bellows's shape, the extrusion barrel is crowded tightly respectively with the outer wall of first pipeline and second pipeline with bellows and inner seal sleeve pipe's both ends.
By adopting the technical scheme, the two extruding screw cylinders fix the two ends of the corrugated hose, so that the fixed connection between the corrugated hose and the inner sealing sleeve is realized, and the two extruding screw cylinders are screwed to generate pressure on the corrugated hose and the inner sealing sleeve, so that the sealing of the inner sealing sleeve on the first pipeline and the second pipeline is realized; the corrugated hose plays a bearing role in the hose section of the inner sealing sleeve, effectively improves the bearing capacity of the hose section, and ensures the durability of the inner sealing sleeve.
The present invention may be further configured in a preferred embodiment as: and the inner wall of the inner sealing sleeve is positioned at the junction of the first sealing section and the hose section, and the junction of the hose section and the second sealing section is respectively provided with a second limiting ring.
Through adopting above-mentioned technical scheme, the second spacing ring has separated first seal section, hose section and second seal section, has injectd the position that is located interior seal cartridge with first pipeline and second pipeline, has avoided first pipeline and second pipeline probably including in the seal cartridge in the relative motion, has guaranteed to have predetermined interval all the time between first pipeline and the second pipeline, very big reinforcing the stability and the reliability of junction.
The present invention may be further configured in a preferred embodiment as: and the two ends of the outer wall of the inner sealing sleeve are respectively provided with a third limiting ring, and the corrugated hose is clamped between the two third limiting rings.
Through adopting above-mentioned technical scheme, injectd the position on the outer wall of inner sealing sleeve of corrugated hose, when having guaranteed to carry out threaded connection to corrugated hose with the extrusion spiral shell section of thick bamboo, the skew can not appear in corrugated hose, the effectual fixed effect of corrugated hose in overcoat extrusion tube that has promoted has further strengthened the stability and the reliability of junction.
The present invention may be further configured in a preferred embodiment as: the axial section of the third limiting ring is a right-angled triangle, and the right-angled sides of the two third limiting rings are arranged in opposite directions.
Through adopting above-mentioned technical scheme, when passing corrugated pipe from interior seal sleeve pipe, corrugated pipe pushes down the hypotenuse of third spacing ring, when corrugated pipe was located between two third spacing rings completely, because two right-angle sides were in opposite directions this moment, had restricted taking out of corrugated pipe, and this design makes corrugated pipe's installation very convenient with fixed, the effectual practicality that has promoted this connecting device.
The present invention may be further configured in a preferred embodiment as: the inner wall of one end, close to the first limiting ring, of the extrusion screw barrel is provided with a conical bulge, and the bulge compresses the inner sealing sleeve.
Through adopting above-mentioned technical scheme, the arch has played local effect of compressing tightly to interior seal sleeve, has further promoted the sealed effect of interior seal sleeve to first pipeline and second pipeline.
The present invention may be further configured in a preferred embodiment as: a sealing ring is arranged between the inner sealing sleeve and the first limiting ring, and the radial thickness of the sealing ring is equal to the distance from the outer wall of the first pipeline to the inner wall of the sleeve.
Through adopting above-mentioned technical scheme, when carrying out the fastening of first extrusion pipe and second extrusion pipe, the sealing ring can be pressed from both sides tightly between first spacing ring and interior seal sleeve, and at the in-process that the sealing ring was crowded tightly, it took place radial tensile deformation to play sealed effect between first spacing ring and the interior seal sleeve, the effectual sealed effect of interior seal sleeve to first pipeline and second pipeline that has improved.
The present invention may be further configured in a preferred embodiment as: and a plurality of abutting bolts abutting against the extrusion screw barrel are in threaded connection with the circumferential side wall outside the sleeve barrel.
Through adopting above-mentioned technical scheme, support the bolt and strengthened the stability of extruding the spiral shell section of thick bamboo, guaranteed that this connecting device can not lead to supporting tightly the bolt and the corrugated hose be connected not hard up because of the stress that produces in the pipeline appears, influence the sealed effect of interior seal sleeve to first pipeline and second pipeline.
To sum up, the utility model discloses a beneficial technological effect does:
1. by arranging the inner sealing sleeve, the outer sleeve extrusion pipe and the extrusion assembly, the connecting device can connect two pipelines with offset pipe orifices, and has the advantages of convenient installation and good sealing effect;
2. the second limiting ring, the corrugated hose and the extruding screw barrel are arranged to fix and seal the inner sealing sleeve; the corrugated hose is fixed by arranging the third limiting ring;
3. the sealing effect of the inner sealing sleeve on the first pipeline and the second pipeline is further improved by arranging the bulges, the sealing rings and the abutting bolts.
Drawings
FIG. 1 is a schematic view of the construction of a new and old pipe connection;
FIG. 2 is a partial perspective cross-sectional view taken along plane A-A of FIG. 1;
fig. 3 is a partially enlarged schematic view of a portion B in fig. 2.
Reference numerals: 1. a first conduit; 2. a second conduit; 3. an inner sealing sleeve; 31. a first seal section; 32. a hose section; 33. a second seal section; 4. sheathing the extruded tube; 41. a first extruded tube; 411. a sleeve; 412. a first limit ring; 413. a connecting plate; 42. a second extruded tube; 5. a waist-shaped hole; 6. fastening a bolt; 7. compacting the assembly; 71. a corrugated hose; 72. a thread; 73. extruding the screw cylinder; 8. a second stop collar; 9. a third limit ring; 10. a protrusion; 11. a seal ring; 12. the bolt is pressed tightly.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a new and old pipeline connecting device, including the same first pipeline 1 of external diameter and second pipeline 2, the outer extrusion pipe 4 that the inner seal sleeve pipe 3 made by the tetrafluoro pad and metal were made, outer extrusion pipe 4 includes identical first extrusion pipe 41 and second extrusion pipe 42, first extrusion pipe 41 includes that the internal diameter is greater than the sleeve 411 of first pipeline 1 external diameter, make with sleeve 411 one end inner wall an organic whole and the internal diameter equals with first pipeline 1 external diameter first spacing ring 412 and connect in the connecting plate 413 of sleeve other end opening part, connecting plate 413 is square and its both ends all is equipped with two waist shape holes 5 along the edge direction, waist shape hole 5 interpolation is equipped with the fastening bolt 6 of connecting first extrusion pipe 41 and second extrusion pipe 42. The inner sealing sleeve 3 is arranged inside the outer sleeve extrusion pipe 4, the inner sealing sleeve 3 comprises a first sealing section 31, a hose section 32 and a second sealing section 33 which are integrally manufactured, the first pipeline 1 and the second pipeline 2 are respectively positioned in the first sealing section 31 and the second sealing section 33, and a tightly extruding component 7 for tightly extruding the inner sealing sleeve 3 and the first pipeline 1 and the second pipeline 2 is further arranged between the inner sealing sleeve 3 and the outer sleeve extrusion pipe 4. Because the inner sealing sleeve 3 is provided with the hose section 32, the first pipeline 1 and the second pipeline 2 which are positioned at the first sealing section 31 and the second sealing section 33 of the inner sealing sleeve 3 allow radial deviation within a certain range; according to the deviation degree of the first pipeline 1 and the second pipeline 2, the two first extrusion pipes 41 and the second extrusion pipes 42 are correspondingly connected in a deviation way, and during connection, the positions of the waist-shaped holes 5 corresponding to the two connecting plates 413 are adjusted and connected through bolts. Therefore, the connecting device can connect two pipelines with offset pipe orifices, and has the advantages of convenience in installation and good sealing effect.
Referring to fig. 2 and 3, the tightening assembly 7 in the above technical solution includes a metal corrugated hose 71 sleeved with the inner sealing sleeve 3, threads 72 disposed at two ends of the corrugated hose 71, and two extruding barrels 73 made of polyurethane material and respectively connected to the threads 72 at two ends of the corrugated hose 71, wherein the inner walls of the extruding barrels 73 are adapted to the shapes of the inner sealing sleeve 3 and the corrugated hose 71, and the extruding barrels 73 tighten the two ends of the corrugated hose 71 and the inner sealing sleeve 3 with the outer walls of the first pipeline 1 and the second pipeline 2, respectively. The two extrusion screw cylinders 73 realize the sealing of the inner sealing sleeve 3 to the first pipeline 1 and the second pipeline 2, and the corrugated hose 71 plays a bearing role on the hose section 32 of the inner sealing sleeve 3, so that the bearing capacity of the hose section 32 is effectively improved. In addition, in order to improve the fixing effect of the corrugated hose 71 in the outer sleeve extrusion pipe 4, the two ends of the outer wall of the inner sealing sleeve 3 are respectively and integrally provided with a third limiting ring 9, and the corrugated hose 71 is clamped between the two third limiting rings 9; preferably, the axial cross section of the third limiting ring 9 is a right triangle, the right-angled sides of the two third limiting rings 9 are arranged in opposite directions, when the corrugated hose 71 passes through the inner sealing sleeve 3, the corrugated hose 71 presses down the bevel edge of the third limiting ring 9, and when the corrugated hose 71 is completely positioned between the two third limiting rings 9, the corrugated hose 71 cannot deviate due to the fact that the two right-angled sides are in opposite directions at the moment, and the fixing effect is achieved.
Referring to fig. 2 and 3, in order to avoid possible opposite movement of the first pipeline 1 and the second pipeline 2 in the inner sealing sleeve 3, a preset distance is ensured to be always kept between the first pipeline 1 and the second pipeline 2, and the stability and reliability of the joint are enhanced, the second limit rings 8 are respectively arranged at the junction of the first sealing section 31 and the hose section 32 and the junction of the hose section 32 and the second sealing section 33 on the inner wall of the inner sealing sleeve 3, and the first sealing section 31, the hose section 32 and the second sealing section 33 are effectively separated by the second limit rings 8. In order to further improve the sealing effect of the inner sealing sleeve 3 on the first pipeline 1 and the second pipeline 2, a conical bulge 10 is integrally formed on the inner wall of one end, close to the first limiting ring 412, of the extrusion screw barrel 73, the bulge 10 plays a local compression role in the inner sealing sleeve 3, and the sealing effect of the inner sealing sleeve 3 on the first pipeline 1 and the second pipeline 2 is further improved; further, a sealing ring 11 made of a tetrafluoro gasket is arranged between the inner sealing sleeve 3 and the first limiting ring 412, the radial thickness of the sealing ring 11 is equal to the distance from the outer wall of the first pipeline 1 to the inner wall of the sleeve 411, when the first extrusion pipe 41 and the second extrusion pipe 42 are fastened, the sealing ring 11 is clamped between the first limiting ring 412 and the inner sealing sleeve 3, and in the process that the sealing ring 11 is extruded tightly, the radial stretching deformation occurs, so that the further sealing effect between the first limiting ring 412 and the inner sealing sleeve 3 is enhanced. Preferably, the thread 72 on the circumferential side wall outside the sleeve 411 is connected with four abutting bolts 12 which are uniformly distributed and abut against the extrusion screw cylinder 73.
The implementation principle of the embodiment is as follows: when the first pipeline 1 and the second pipeline 2 are installed, the first extrusion pipe 41 and the second extrusion pipe 42 are sleeved on the first pipeline 1 and the second pipeline 2 respectively, and then the sealing ring 11 and the extrusion screw cylinder 73 are sleeved on the first pipeline 1 and the second pipeline 2 respectively. After the extrusion screw cylinder 73 is installed, sleeving the pre-installed inner sealing sleeve 3 and the corrugated hose 71 on the first pipeline 1 in a sleeving manner, enabling the first pipeline 1 to be abutted against the second limiting ring 8, and then screwing the extrusion screw cylinder 73 on the first pipeline 1; thereafter, the other end of the inner seal sleeve 3 is sleeved on the second pipeline 2, so that the second pipeline 2 is abutted against the second limit ring 8, and the extrusion screw cylinder 73 on the second pipeline 2 is screwed down. Finally, according to the offset degree of the two pipelines, the opposite positions of the waist-shaped holes 5 are adjusted to connect the first extrusion pipe 41 and the second extrusion pipe 42, and the extrusion screw barrel 73 is further compressed by the abutting bolt 12.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A new and old pipeline connecting device comprises a first pipeline (1) and a second pipeline (2) with the same outer diameter, an inner sealing sleeve (3) and an outer sleeve extrusion pipe (4), wherein the outer sleeve extrusion pipe (4) comprises a first extrusion pipe (41) and a second extrusion pipe (42) which are completely the same, the first extrusion pipe (41) comprises a sleeve (411) with the inner diameter larger than the outer diameter of the first pipeline (1), a first limiting ring (412) which is arranged on the inner wall of one end of the sleeve (411) and has the inner diameter equal to the outer diameter of the first pipeline (1) and a connecting plate (413) which is connected to an opening at the other end of the sleeve, and the first extrusion pipe (41) is connected with the second extrusion pipe (42) through two connecting plates (413); the inner sealing sleeve (3) is arranged inside the outer sleeve extrusion pipe (4), and the first pipeline (1) and the second pipeline (2) respectively extend into two ends of the inner sealing sleeve (3), and the inner sealing sleeve is characterized in that the connecting plate (413) is square, a plurality of waist-shaped holes (5) are formed in two ends of the connecting plate along the edge direction, and fastening bolts (6) for connecting the first extrusion pipe (41) and the second extrusion pipe (42) are inserted into the waist-shaped holes (5); the inner sealing sleeve (3) comprises a first sealing section (31), a hose section (32) and a second sealing section (33) which are integrally manufactured, the first pipeline (1) and the second pipeline (2) are respectively positioned in the first sealing section (31) and the second sealing section (33), and a tightly-extruding component (7) for tightly extruding the inner sealing sleeve (3), the first pipeline (1) and the second pipeline (2) is further arranged between the inner sealing sleeve (3) and the outer sleeve extrusion pipe (4).
2. The connecting device for the old and the new pipelines according to claim 1, wherein the squeezing component (7) comprises a metal corrugated hose (71) sleeved with the inner sealing sleeve (3), threads (72) arranged at two ends of the corrugated hose (71) and two squeezing barrels (73) respectively connected with the threads (72) at two ends of the corrugated hose (71), the inner wall of the squeezing barrel (73) is adapted to the shapes of the inner sealing sleeve (3) and the corrugated hose (71), and the squeezing barrels (73) squeeze two ends of the corrugated hose (71) and the inner sealing sleeve (3) respectively with the outer walls of the first pipeline (1) and the second pipeline (2).
3. The old and new pipe connection device according to claim 2, wherein the inner wall of the inner sealing sleeve (3) is provided with a second limiting ring (8) at the junction of the first sealing section (31) and the hose section (32) and at the junction of the hose section (32) and the second sealing section (33).
4. The new and old pipe connecting device according to claim 2, wherein the two ends of the outer wall of the inner sealing sleeve (3) are respectively provided with a third limiting ring (9), and the corrugated hose (71) is clamped between the two third limiting rings (9).
5. The new and old pipe connecting device according to claim 4, wherein the axial section of the third limiting ring (9) is a right triangle, and the right-angled sides of the two third limiting rings (9) are arranged oppositely.
6. The old and new pipe connection device according to claim 2, wherein the inner wall of the end of the extrusion screw cylinder (73) close to the first limiting ring (412) is provided with a conical bulge (10), and the bulge (10) compresses the inner sealing sleeve (3).
7. New and old pipe connection according to claim 2, characterised in that between the inner sealing sleeve (3) and the first stop collar (412) there is a sealing ring (11), the radial thickness of the sealing ring (11) being equal to the distance from the outer wall of the first pipe (1) to the inner wall of the sleeve (411).
8. The new and old pipeline connecting device according to claim 7, characterized in that the screw thread (72) on the circumferential side wall outside the sleeve (411) is connected with a plurality of abutting bolts (12) abutted by the extrusion screw barrels (73).
CN202020024204.XU 2020-01-06 2020-01-06 Connecting device for new and old pipelines Active CN211315415U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020024204.XU CN211315415U (en) 2020-01-06 2020-01-06 Connecting device for new and old pipelines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020024204.XU CN211315415U (en) 2020-01-06 2020-01-06 Connecting device for new and old pipelines

Publications (1)

Publication Number Publication Date
CN211315415U true CN211315415U (en) 2020-08-21

Family

ID=72079620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020024204.XU Active CN211315415U (en) 2020-01-06 2020-01-06 Connecting device for new and old pipelines

Country Status (1)

Country Link
CN (1) CN211315415U (en)

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